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Table 4 Multivariate logistic regression: risk of abscessed lesions

From: The clinical and imaging presentation of acute "non complicated" pyelonephritis: A new profile for an ancient disease

N = 119 Number in Group Abscessed lesions (N = 47) % OR - UNI CI 95% - UNI OR - MULTI1 CI MULTI
Age ≤ 32 years 62 23 37.1% 1    
Age > 32 years 57 24 42.1% 1.233 0.591-2.575 1.003 0.442-2.276
Scars at diagnosis
NO
101 42 41.6% 1    
Scars at diagnosis
YES
18 5 27.8% 0.540 0.179-1.631 0.732 0.222-2.421
CRP < 12 mg/dL 58 17 29.3% 1    
CRP > = 12 mg/dL 58 27 46.6% 2.101 0.977-4.516 2.095 0.921-4.767
Negative urinary cultures or hemocultures 81 32 39.5% 1    
Positive urinary cultures and/or hemocultures 38 15 39.5% 0.999 0.454-2.197 1.010 0.437-2.335
Presence of the 3 main symptoms 77 26 33.8% 1    
Absence of at least one of the 3 main symptoms 42 21 50.0% 1.962 0.911-4.226 2.080 0.932-4.641
  1. CRP (C-reactive protein); Age: dichotomized at the median. Three main symptoms: fever; lumbar pain-tenderness; symptoms of lower UTI